I Built The Token Saver Skill To Cut My Token Use By 90%. Here Is What It Can And Cannot Do For You.
My tracker logged 3.77 billion Codex tokens in one day. 95.73% of that input was reported as reused — material I never typed. So I went looking for what I could remove without making the work worse.
TL;DR
- The author's token tracker showed 3.77 billion tokens used in a day, with 95.73% reported as reused input.
- Reused input is not necessarily useless, as it can maintain continuity and context in complex AI tasks.
- The goal is to aggressively cut reported reused input by 90% without increasing errors, retries, or review time.
- The article details measurements, proposed changes, and habits to help users manage AI token usage.
- It explains the cost of caching and why cached input continues to appear on bills.